发明名称 |
Abrasion resistant copper alloy for build-up cladding on engine cylinder head |
摘要 |
The copper alloy contains 6 - 9 wt% Ni, 1 - 5 wt% Si; 1 - 5 wt% (total) Mo, W, Ta, Nb, and /or V. The alloy may also contain 0.5 - 1.5 wt% Fe, 1 - 5 wt% Cr, 0.5 - 0.9 wt% Al, and 0.1 - 1.0 wt% P. The alloy may also contain 5 - 15 wt% Co, 1 - 10 wt% Mn, and 0.01 to 0.1 wt% rare earth metal. A valve seat (2) is formed by build-up cladding by irradiating a laser beam on a powder (4) of the copper alloy, provided in the rim of a port (3) formed in an engine cylinder head (1). Due to the composition of the copper alloy, the valve seat (2) has few microcracks and excellent abrasion resistance. <IMAGE> |
申请公布号 |
EP1120472(A3) |
申请公布日期 |
2002.01.02 |
申请号 |
EP20000128383 |
申请日期 |
1999.02.26 |
申请人 |
NISSAN MOTOR CO., LTD.;MITSUI MINING & SMELTING CO., LTD |
发明人 |
MAKOTO, KANO;TSUSHIMA, KENJI;MATSUYAMA, HIDENOBU;NINOMIYA, RYUJI;OJIRO, TAKESHI;MIYAKE, KOICHI;SUZUKI, KENJI |
分类号 |
B23K26/00;B23K35/30;C22C1/04;C22C9/05;C22C9/06;F01L3/04;F02B77/02 |
主分类号 |
B23K26/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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